Pneumatic boat lift



FIG. 1 is a top plan view of a pneumatic boat lift;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a right side elevational view thereof, the left side elevational view being a mirror image thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a first front isometric view thereof;

FIG. 7 is a rear isometric view thereof; and,

FIG. 8 is a second front isometric view thereof, showing the invention with a boat mounted thereon.

The broken lines are for environmental purposes only and form no part of the claimed design. 

The ornamental design for a pneumatic boat lift, as shown and described. 